Update README and add contrib dir

contrib/traffic-generator/model/myCustomApp.cc

@@ -0,0 +1,119 @@
+#include "myCustomApp.h"
+
+#include "ns3/log.h"
+#include "ns3/simulator.h"
+#include "ns3/socket-factory.h"
+#include "ns3/socket.h"
+#include "ns3/uinteger.h"
+#include "ns3/names.h"
+#include "ns3/point-to-point-net-device.h"
+
+#include <cstdio>
+#include <cstdlib>
+
+namespace ns3
+{
+
+NS_LOG_COMPONENT_DEFINE("myCustomApp");
+
+NS_OBJECT_ENSURE_REGISTERED(myCustomApp);
+
+TypeId
+myCustomApp::GetTypeId()
+{
+    static TypeId tid =
+        TypeId("ns3::myCustomApp")
+            .SetParent<Application>()
+            .SetGroupName("Applications")
+            .AddConstructor<myCustomApp>();
+    return tid;
+}
+
+myCustomApp::myCustomApp()
+{
+    NS_LOG_FUNCTION(this);
+    m_sent = 0;
+    m_totalTx = 0;
+    m_totalRx = 0;
+    m_sendEvent = EventId();
+}
+
+myCustomApp::~myCustomApp()
+{
+    NS_LOG_FUNCTION(this);
+}
+
+void
+myCustomApp::Setup(Ptr<PointToPointNetDevice> net, int t)
+{
+  m_net = net;
+  Packet::EnablePrinting();
+  m_sendEvent = Simulator::Schedule(Seconds(t), &myCustomApp::Send, this);
+  m_net->SetReceiveCallback(MakeCallback(&myCustomApp::RxPacket, this));
+}
+
+bool
+myCustomApp::RxPacket(Ptr<NetDevice> dev, Ptr<const Packet> pkt, uint16_t mode, const Address& sender)
+{
+  m_totalRx = m_totalRx + pkt->GetSize();
+  NS_LOG_INFO((Simulator::Now()).As(Time::S) << " \t" << Names::FindName(m_net->GetNode()) << "/" << Names::FindName(m_net) <<" : Pkt rcvd ! " << pkt->ToString());
+  return true;
+}
+
+void
+myCustomApp::DoDispose()
+{
+    NS_LOG_FUNCTION(this);
+    Application::DoDispose();
+}
+
+void
+myCustomApp::StartApplication()
+{
+    NS_LOG_FUNCTION(this);
+
+
+}
+
+void
+myCustomApp::StopApplication()
+{
+    NS_LOG_FUNCTION(this);
+    Simulator::Cancel(m_sendEvent);
+    NS_LOG_INFO("\tNb bytes rcvd :" << GetTotalRx());
+}
+
+void
+myCustomApp::Send()
+{
+    NS_LOG_FUNCTION(this);
+    NS_ASSERT(m_sendEvent.IsExpired());
+
+
+    uint8_t txBuffer[] = "\"Can you tell me where my country lies?\" \\ said the unifaun to his "
+                         "true love's eyes. \\ \"It lies with me!\" cried the Queen of Maybe \\ - "
+                         "for her merchandise, he traded in his prize.";
+    size_t txBufferSize = sizeof(txBuffer);
+    Ptr<Packet> p = Create<Packet>(txBuffer, txBufferSize);
+
+    NS_LOG_INFO((Simulator::Now()).As(Time::S) << " \t" << Names::FindName(m_net->GetNode()) << "/" << Names::FindName(m_net) <<" : Pkt sent ! " << p->ToString());
+
+    m_net->Send(p, m_net->GetBroadcast(), 0x800);
+
+    m_sendEvent = Simulator::Schedule(Seconds(2), &myCustomApp::Send, this);
+
+}
+
+uint64_t
+myCustomApp::GetTotalTx() const
+{
+    return m_totalTx;
+}
+
+uint64_t
+myCustomApp::GetTotalRx() const
+{
+    return m_totalRx;
+}
+
+} // Namespace ns3